text-1.2.0.0: An efficient packed Unicode text type.

Copyright(c) The University of Glasgow 1994-2002
Licensesee libraries/base/LICENSE
Safe HaskellTrustworthy
LanguageHaskell98

Data.Text.Lazy.Builder.RealFloat

Description

Write a floating point value to a Builder.

Synopsis

Documentation

data FPFormat Source

Control the rendering of floating point numbers.

Constructors

Exponent

Scientific notation (e.g. 2.3e123).

Fixed

Standard decimal notation.

Generic

Use decimal notation for values between 0.1 and 9,999,999, and scientific notation otherwise.

realFloat :: RealFloat a => a -> Builder Source

Show a signed RealFloat value to full precision, using standard decimal notation for arguments whose absolute value lies between 0.1 and 9,999,999, and scientific notation otherwise.

formatRealFloat Source

Arguments

:: RealFloat a 
=> FPFormat 
-> Maybe Int

Number of decimal places to render.

-> a 
-> Builder